May 17, 2015, will go down in history as the day that Taylor Swift introduced the world to her now infamous girl squad with the release of her "Bad Blood" music video. Swift then proceeded to turn her 1989 World Tour into a who's who of her famous friends, trotting them out on stage with her for a song or two. These days, the number of Swift's gal pals who would call themselves squad members has taken a hit, but one member of her original friend group has stuck it out with her despite her controversial reputation. That guy is Ed Sheeran.